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Retina Scan Or It Doesn't Count
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Necessity is the mother of blah blah blah here you go: redesigned door knobs and locks so that you don't have to touch the dirty things, for obvious reasons. These range from those things you see advertised on Facebook where you have a hook of some sort on your keychain to open the door without touching it, to latches you pull with your forearm instead of your hand. I'm surprised nobody's doing voice control: "Alexa, open the door." (NBC News)
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